Chestnut-sided Warbler

Dendroica pensylvanica

Mackinac Co., MI May

Galveston, TX April

Chestnut-sided Warbler Galveston, TX April 2014

Chestnut-sided Warbler Galveston, TX April 2014

Chestnut-sided Warbler Galveston, TX April 2014

Chestnut-sided Warbler Galveston, TX April 2014

Chestnut-sided Warbler Galveston, TX April 2014

Chestnut-sided Warbler Galveston, TX April 2014

Piscataquis Co., ME May

Chestnut-sided Warbler Piscataquis Co., ME May 2013

Chestnut-sided Warbler Piscataquis Co., ME May 2013

Cattaraugus Co., NY May

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chestnut-sided Warbler Cattaraugus Co., NY May 2012

Chippewa Co., MI May

Chestnut-sided Warbler male Chippewa Co., MI May 2010

Chestnut-sided Warbler male Chippewa Co., MI May 2010

Chestnut-sided Warbler male Chippewa Co., MI May 2010

Chestnut-sided Warbler male Chippewa Co., MI May 2010

Chestnut-sided Warbler male Chippewa Co., MI May 2010

Chestnut-sided Warbler male Chippewa Co., MI May 2010

Lackawanna Co., PA May

Chestnut-sided WarblerLackawanna Co., PA May 2015

Taking nesting material from a caterpillar nest.